OnlyKey is an open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.
- Password Manager
- Paid • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Chrome OS
+2Store your unique credentials on a hardware-backed security key and take it wherever you go from mobile to desktop. No more storing sensitive secrets on your mobile phone, leaving your account vulnerable to takeovers.
- Authenticator
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
+3Sign in is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft account. You simply have to enter your username, then approve the notification sent to your phone.
- Authenticator
- Free • Proprietary
- Android
- iPhone
- Android Tablet
- Windows Phone
- iPad
Securely stores passwords with Touch ID and YubiKey protection. Compatible with KeePass and Password Safe, offers military-grade security.
- Password Manager
- Freemium • Open Source
- Mac
- iPhone
- iPad
Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).
- Authenticator
- Free • Open Source
- Linux
- KDE Plasma
- Linux Mobile
- Flathub
- Plasma Mobile
- Flatpak
Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.
Discontinued- Authenticator
- Free • Open Source
- iPhone
2fast (acronym for two factor authenticator supporting TOTP) is the first free, open source, two factor authenticator for Windows and Android with the ability to store the sensitive data encrypted at a place of your choice instead of a 3rd party cloud location.
- Authenticator
- Free • Open Source
- Windows
A cross-platform for file, password, information manager and an encryption tool at the same time. It can be used offline or all encrypted data can be synced with your own Google Drive.
- Password Manager
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
+10OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch.
- Authenticator
- Freemium • Proprietary
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Apple Watch
- Linux Mobile
- Flathub
- Flatpak
Open the app in one tap, sign in with FaceID and copy your one-time password to your Mac in one tap with handoff. Using a one-time password manager has never been easier!
Discontinued- Authenticator
- Free • Proprietary
- Mac
- iPhone
- iPad
+5With NordPass, passwords are safe and organized. Help your team protect their passwords, share them instantly, and safeguard your organization’s data.
- Password Manager
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Android
- iPhone
- Chrome OS
- Android Tablet
- Windows Phone
- iPad
- Google Chrome
A modern and secure Windows app for managing your 2FA authentication codes.
- Authenticator
- Free • Open Source
- Windows
+3Gnome Authenticator is a desktop 2FA code generator for Linux desktops, like Ubuntu.
- Authenticator
- Free • Open Source
- Linux
- Linux Mobile
- Flathub
- GNOME
Keeper Password Manager is an elegant, security-first password management solution available for all popular platforms and browsers.
- Password Manager
- Paid • Proprietary
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Windows Phone
- iPad
- Microsoft Edge
- Internet Explorer
- Google Chrome
- Safari
- Kindle Fire
- DuckDuckGo
- Opera
- Brave
- Mozilla Firefox
+3Lightning fast SSH terminal with remote file access. No other app fuses your SSH servers and iOS devices as well as Secure ShellFish. Tap Get and see for yourself.
- Terminal Emulator
- Freemium • Proprietary
- Mac
- iPhone
- iPad
- Apple Watch
+10